[FFmpeg-trac] #8034(avfilter:reopened): zscale: inaccurate conversion from YCbCr Narrow range to RGB Full range

FFmpeg trac at avcodec.org
Wed Aug 28 15:42:20 EEST 2019


#8034: zscale: inaccurate conversion from YCbCr Narrow range to RGB Full range
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             Reporter:  cepesh      |                    Owner:
                 Type:  defect      |                   Status:  reopened
             Priority:  normal      |                Component:  avfilter
              Version:  git-master  |               Resolution:
             Keywords:  zscale      |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Changes (by Balling):

 * status:  closed => reopened
 * resolution:  needs_more_info =>


Comment:

 Replying to [comment:8 richardpl]:
 > Please provide new info what is incorrect now and then reopen ticket.

 So, this is normal https://github.com/sekrit-
 twc/zimg/issues/109#issuecomment-515552048
 ?
 "FFmpeg instructs z.lib to perform a no-op conversion from YUV to YUV, and
 instead uses its internal code to convert to RGB."

 BTW, I read that the same problem was in Xbox One X blu ray player)))
 Micro$oft thankfully solved it not long ago.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8034#comment:9>
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